complex in benghazi, pelting it with gunfire and rocket-propelled grenades. they fill the safe room with smoke and drive at least one person in it with the roof. in the end, four died, including chris stevens, the u.s. ambassador to libya, who helped save benghazi during last year cost revolution. he is the first u.s. ambassador to be killed since 1979. a lifelong friend opened up about the loss. >> i lost somebody who unconditionally loved just about everybody. what the world lost was a great diplomat who was interested in peace and humanity, who really understood the culture of the middle east. >> a senior staffer at the senate foreign relations committee was among his friends. >> he basically said, this is what he was meant to do. he was willing to take the risk -- it is so unfortunate that that risk finally overtook him. it is tragic. i think he died living out his life mission. >> shaun smyth a foreign service information manager, was also killed. he worked for the foreign service for a decade -- he is survived by a wife and two children. >> a number of